JA Solar DeepBlue 4.0 Pro 440 solar panel on a roof

TOPCon

JA Solar

DeepBlue 4.0 Pro 440

440 Wp · 22.5 % · TOPCon

85/ 100

SolarVersus score

Very good

85 / 100

From€115

At EU reseller (to confirm)

Detailed scores

Performance86

Durability82

Value for money93

Warranty78

Strengths

Very good price
Dual-glass bifacial TOPCon
High mechanical loads (5400 Pa)

Worth noting

Short product warranty (12 years)
Average temperature coefficient

Technical specifications

Power: 440 Wp
Efficiency: 22.5 %
Cell type: TOPCon
Product warranty: 12 years
Performance warranty: 30 years
Dimensions: 1722 x 1134 x 30 mm
Weight: 21.5 kg
Temperature coefficient: -0.29 %/°C
Origin: JA Solar (China)

Interested in this panel?

JA Solar DeepBlue 4.0 Pro 440

€115

indicative price, per unit

See the offer at EU reseller (to confirm)